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Increment value in mysql update query
...what you were doing wrong is that you passed the old amount of points as a string (points='5'+1), and you can't add a number to a string. ;)
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Understanding Canvas and Surface concepts
...it is implemented but I'd imagine it is a some kind of Bitmap wrapper with extra methods for things that are directly related to screen displays (That is the reason for a surface, a Bitmap is too generic). You can get a Canvas from your Surface which is really getting the Canvas associated with the ...
Android Min SDK Version vs. Target SDK Version
... tested against the target version and the platform should not perform any extra work to maintain forward-compatibility with the target version.
For more information refer this URL:
http://developer.android.com/guide/topics/manifest/uses-sdk-element.html
...
How to call Android contacts list?
...actData, null, null, null, null);
if (c.moveToFirst()) {
String name = c.getString(c.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
// TODO Whatever you want to do with the selected contact name.
}
}
break;
}
}
Full source code: tutorials...
Why use symbols as hash keys in Ruby?
...cause they are only stored once.
Symbols in Ruby are basically "immutable strings" .. that means that they can not be changed, and it implies that the same symbol when referenced many times throughout your source code, is always stored as the same entity, e.g. has the same object id.
Strings on t...
Handling optional parameters in javascript
... == 2) { // if only two arguments were supplied
if (Object.prototype.toString.call(parameters) == "[object Function]") {
callback = parameters;
}
}
//...
}
You can also use the arguments object in this way:
function getData (/*id, parameters, callback*/) {
var id = arguments[...
What happens to a github student account's repositories at the end of 2 years?
...d, as no other service does this. How will it be if you stopped paying for extra storage on Google Drive, and the next day you find that half your files were hidden until you pay up.
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When tracing out variables in the console, How to create a new line?
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In ES6/ES2015 you can use string literal syntax called template literals. Template strings use backtick character instead of single quote ' or double quote marks ". They also preserve new line and tab
const roleName = 'test1';
const role_ID = 't...
What is the difference between sigaction and signal?
... And that's it. Anything else is not guaranteed to be portable. That's so stringent that most people ignore those rules — but the resulting code is dodgy.
– Jonathan Leffler
Oct 27 '16 at 16:14
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TypeError: $.ajax(…) is not a function?
...
data: postedData,
dataType: 'json',
success: callback
});
You had extra brackets next to $.ajax which were not needed. If you still get the error, then the jQuery script file is not loaded.
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